various improvements and fixes

utils.sh

@@ -15,12 +15,21 @@ install_packages() {
   local packages=("$@")
   local to_install=()
 
+  local as_deps=()
+
   for pkg in "${packages[@]}"; do
     if ! is_installed "$pkg" && ! is_group_installed "$pkg"; then
       to_install+=("$pkg")
     fi
   done
 
+  # A package first installed as another one's dependency becomes an orphan
+  # when that one is removed, and updates.d/95-cleanup.sh removes orphans
+  mapfile -t as_deps < <(pacman -Qdq "${packages[@]}" 2> /dev/null)
+  if [ ${#as_deps[@]} -ne 0 ]; then
+    sudo pacman -D --asexplicit "${as_deps[@]}" > /dev/null
+  fi
+
   if [ ${#to_install[@]} -ne 0 ]; then
     echo "Installing: ${to_install[*]}"
     yay -S --noconfirm --answerdiff=None --answeredit=None --answerclean=None "${to_install[@]}"